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7147332 |
Projection system with scrolling color illumination
A projection system having an imager panel uses a scrolling prism assembly to illuminate different portions of the imager panel with light of different color simultaneously. The scrolling prism...
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7144116 |
Digital light processing projector
A digital light processing projector comprising a light source, a splitter module, a plurality of total internal reflection (TIR) prisms and digital mirror devices (DMDs), a combiner and a...
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7144115 |
Projection system
An image projector that modifies projected images. An imaging device preferably senses information about a projection screen upon which an image is projected. Based on the sensed information about...
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7142302 |
Light source spectra for projection displays
Methods are provided for optimizing the spectrum of a light source used in a projection display system in order to reduce the light loss associated with color splitting/recombination in the system....
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7137705 |
Optical device with optical modulator fixation-enhancing structure and projector
A cross dichroic prism as a color-combining optical device and optical modulators constituting an optical device body are fixed with insulating pins being interposed. The optical device body...
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7136035 |
Projection type display, a display and a drive method thereof
A projection type display is provided that can change a quantity of light emitted to a light modulation device without changing the intensity of light emission from a lamp and exhibits superiority...
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7133211 |
Projector with flat light sources
Optical system designs for projectors using flat light sources are disclosed. These projectors make use of imagers that manipulate the transmission or reflectance of light through electronically...
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7131729 |
Projection display apparatus
A projection display apparatus that is lightweight and provides bright, high quality images is provided. The projection display apparatus comprising a color separation and synthesis optical system ...
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7131735 |
Light source device, optical device, and liquid-crystal display device
A light source device, comprising a light guide block that is provided with an inner wall capable of reflecting light and is shaped as a hollow component to form a light guide, and a point light...
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7131734 |
Projection system using spatial filter
A projection system that can adjust color balance of incident light is provided. The projection system includes a light source, a spatial filter, an optical separator, a scrolling unit, a light...
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7125122 |
Projection system with corrective image transformation
An image projection system that corrects an image to be projected onto a projection surface by sensing at least a portion of that surface, and based upon the sensed portion, determining and...
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7125121 |
Image display apparatus
An image display apparatus includes an indicating element which modulates or emits light as a pixel in accordance with image information. A displacement unit optically displaces a position of the...
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7121669 |
Color-filter array and manufacturing method therefor, display device, and projection display device
The invention provides a fine dichroic color-filter array. In particular, dichroic filter layers for B, R, and G, respectively, are patterned facing the corresponding blue pixel-electrodes, red...
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7123313 |
Projection display device
To provide a highly reliable projection display device capable of being used for a long period of time without deterioration of a particular liquid crystal light valve, desirably, without any...
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7118226 |
Sequential color recapture for image display systems
A method for transmitting light in an image display system includes generating a beam of light from a light source. The beam of light is directed at a first segment of an electronically-switchable...
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7118221 |
Projection display apparatus
A projection display apparatus comprises luminous bodies, a luminous body driving portion which drives to turn on each of the luminous bodies, light leading members which optically separately lead...
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7118230 |
Holder frame, optical device and projector
The invention provides a holder frame, optical device and projector which can prevent the substrate from deviating in position, the substrate from being compressed at the outer periphery and color...
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7118225 |
Illumination system
The addition of DMD illumination modulator(s) 702 in series with projection SLM(s) 706/709 to produce high-performance projection displays with improved optical efficiency, reliability, and...
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7119936 |
Speckle reduction for display system with electromechanical grating
A display system ( 10 ) with reduced speckle has a light source ( 70 ) providing an illumination beam and a linear light modulator ( 85 ) having at least one linear array of light modulating...
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7118224 |
Monitor system for projection apparatus, projection apparatus, monitor program for projection apparatus, and monitor method for projection apparatus
The present invention provides a monitor system for a projection apparatus which system is suitable for detecting errors in a display on a projection screen. A projection apparatus 100 comprises...
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7114816 |
Fixing plate, optical device and projector
The invention provides a fixing plate, optical device and projector capable of preventing against color unevenness occurrence and pixel deviation. Specifically, in each of the four sides of a...
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7114812 |
Illumination optical system and projection display optical system
An illumination optical system which can use light from a light source with high efficiency and can provide an illumination luminous flux with highly uniform illuminance, is disclosed. The...
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7111941 |
Method and apparatus for multiple-resolution light value projector
A projected image is created by receiving an image represented in a colorspace onto a projector device. The image is parsed into two or more color image components of the colorspace having two or...
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7113324 |
Image display apparatus
An image display apparatus is capable of recycling the “OFF” state light to increase the image brightness and contrast. The image display apparatus includes a light source, a spatial light...
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7104650 |
Image display device having a transmissive panel and an optical isolator
A color management system for use with projection displays includes, for example, two or more analyzers positioned to receive light beams emitted from corresponding image assimilators, which each...
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7104651 |
Color scrollable projection system
A color scrolling projection system is provided, including a light source, a color separator, a color scanner, a light valve, and a control circuit. The light source generates and emits light. The...
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7106505 |
High dynamic range display devices
A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the...
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7102822 |
High efficiency electromagnetic beam projector, and systems and methods for implementation thereof
This invention relates to electromagnetic wave beam paths, formation of the beam, illumination of programmable electromagnetic wave field vector orientation rotating devices (“PEMFVORD”) with...
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7098396 |
Method and apparatus for making a lid with an optically transmissive window
A metal plate ( 126 ) has a plurality of openings ( 127 ) extending through it, and is cleaned using a wet hydrogen process ( 157 ). Glass windows ( 106 ) are then placed in the openings, and are...
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7097311 |
Super-resolution overlay in multi-projector displays
A technique, associated system and computer executable program code, for projecting a superimposed image onto a target display surface under observation of one or more cameras. A projective...
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7097308 |
Highly efficient projection system
A highly efficient projection system is provided, including a light source, a color separator, a scrolling unit, a light valve, a projection lens unit, and a polarization conversion system. The...
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7092563 |
Three-dimensional information acquisition apparatus and three-dimensional information acquisition method
There are performed three types of object shooting, i.e., a projection pattern shooting using a pattern including both characterization of a stripe based on a color and characterization based on a...
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7090353 |
System and method for improved digital projection
Improved digital projection systems and methods are disclosed. Exemplary systems and methods embody a digital data source and a white light source. Light output of the white light source is coupled...
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7090351 |
Projection type image display apparatus
A compact, light projection type image display apparatus based on reflection image display devices which provide high brightness without contrast deterioration caused by light leakage associated...
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7090359 |
Scrolling unit, color illuminating system, and projection system using the scrolling unit
A scrolling unit for forming a color image through scrolling, and a color illuminating system and a projection system using the scrolling unit. The scrolling unit includes a first spiral lens disk,...
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7090350 |
Optical projection system and method
An optical projection system can receive a red light beam, green light beam, and blue light beam. The optical projection system includes a color-combination prism, and the light beams respectively...
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7090356 |
Projection type image display apparatus and display device
A projection type image display apparatus includes an electroluminescence element which has a plurality of pixels that can each emit modulated light, a projection optical system which projects the...
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7086737 |
Optical apparatus, and projector
To provide an optical apparatus, and a projector which can avoid the mutual positional deviations of a plurality of optical modulation devices and can form a good optical image free from pixel...
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7088321 |
Method and apparatus for driving LED light sources for a projection display
A circuit is provided to drive LEDs or diode lasers that emit light in desired wavelengths, such as the primary colors red, green, and blue, which serve as the light source for a projection display...
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7083284 |
Method and apparatus for sequencing light emitting devices in projection systems
Embodiments of the present invention include an apparatus, method and system relating to a projection illumination source pulsing one or more light emitting devices a plurality of times per frame.
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7083286 |
Projector having improved structure for cooling optical system
A projector projecting an image onto a screen, comprises a lamp emitting light; an optical system having an optical synthesizer including a blue panel, a green panel and a red panel, and an optical...
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7085035 |
Display apparatus with improved contrast ratio
Disclosed herein is a micromirror-based display system having an improved contrast ratio with the deflection of the micromirrors accomplished through one addressing electrode associate with the...
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7083288 |
Illumination apparatus and image projection apparatus using the illumination apparatus
An illumination apparatus which illuminates a portion to be illuminated with light from a light source has a plurality of light emitting members constituting the light source, a driving circuit...
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7083282 |
Light recycling colored light source and method of using
A light source for sequential or scrolling displays that recycles otherwise unusable light. The recycling is achieved by reflecting that portion of the light spectrum that will not be used by a...
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7080909 |
Illumination apparatus and projector display apparatus
An illumination apparatus which directs light from a light source to an illuminated area. The illumination apparatus comprises a plurality of light emitters as the light source, a lighting unit...
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7081997 |
High efficiency electromagnetic beam projector, and systems and methods for implementation thereof
This invention relates to electromagnetic wave beam paths, formation of the beam, illumination of programmable electromagnetic wave field vector orientation rotating devices (“PEMFVORD”) with...
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7077525 |
Led-based flashlight
A flashlight that utilizes an array of one or more light-emitting diodes (LEDs) as a light source, and a light pipe as a light homogenizer to generate a light beam capable of forming a uniformized...
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7077524 |
Sequential projection color display using multiple imaging panels
A color projection display device may include SLMs or other panels. One embodiment includes a device for displaying a color image including first and second sequences of temporally-integrateable...
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7073911 |
Projector with improved heat radiation
An optical apparatus includes a color synthesizing prism, a plurality of exit-side polarizer plates which are respectively arranged on the light entrance side faces of the color synthesizing prism...
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7072096 |
Uniform illumination system
A compact and efficient optical illumination system featuring planar multi-layered LED light source arrays concentrating their polarized or un-polarized output within a limited angular range. The...
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